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54446688664445 = 57111674391928989
BaseRepresentation
bin11000110000100110110111…
…00010010111101101111101
321010210001102100101020021002
430120103123202113231331
524114023304244230240
6311444244035420045
714316433462424420
oct1430233342275575
9233701370336232
1054446688664445
1116391790368750
126134171a54625
13244c3ba8789bc
14d6333b74d9b7
1564643b316d15
hex3184db897b7d

54446688664445 has 64 divisors (see below), whose sum is σ = 82132381900800. Its totient is φ = 33660686280960.

The previous prime is 54446688664441. The next prime is 54446688664507.

54446688664445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54446688664445 - 22 = 54446688664441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54446688664441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27261011 + ... + 29189999.

It is an arithmetic number, because the mean of its divisors is an integer number (1283318467200).

Almost surely, 254446688664445 is an apocalyptic number.

54446688664445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54446688664445 is a deficient number, since it is larger than the sum of its proper divisors (27685693236355).

54446688664445 is a wasteful number, since it uses less digits than its factorization.

54446688664445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929618.

The product of its digits is 8493465600, while the sum is 74.

The spelling of 54446688664445 in words is "fifty-four trillion, four hundred forty-six billion, six hundred eighty-eight million, six hundred sixty-four thousand, four hundred forty-five".

Divisors: 1 5 7 11 35 55 77 167 385 439 835 1169 1837 2195 3073 4829 5845 9185 12859 15365 24145 33803 64295 73313 169015 366565 513191 806443 1928989 2565955 4032215 5645101 9644945 13502923 21218879 28225505 67514615 106094395 148532153 322141163 742660765 846826171 1610705815 2254988141 3543552793 4234130855 5927783197 9315087881 11274940705 17717763965 24804869551 29638915985 46575439405 65205615167 124024347755 141419970557 326028075835 707099852785 989939793899 1555619676127 4949698969495 7778098380635 10889337732889 54446688664445